Climate averages 1991–2020
Newmarket weather
in April.
A cool, moderately wet month: the 7th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cool month in Newmarket: daytime highs average 11.0°C and nights cool to about 1.0°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 77 mm of rain on roughly 11 days, which makes April a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 25 min on an average April day.
The nearest other city in this atlas is Richmond Hill (20 km away). In April its highs average 10.8°C, about as warm as Newmarket, with 77 mm of rain.
Among the 86 cities listed in Canada, Newmarket ranks joint 28th of 86 for the warmest April highs and joint 18th of 86 for the driest April (rainfall, lowest first). The mean April high of those 86 cities is 10.3°C; Newmarket is 0.7°C warmer than that mean.
From April to May, average highs rise by 7.4°C to 18.4°C, and monthly rainfall rises from 77 mm to 80 mm.
The annual picture
April in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Newmarket climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -2.6°C-11.3°C | -11.3°C | 57 | 10.1 | 9.39 h |
| February | -1.6°C-11.3°C | -11.3°C | 47 | 8.0 | 10.410 h |
| March | 3.7°C-6.0°C | -6.0°C | 56 | 10.1 | 11.912 h |
| April, selected | 11.0°C1.0°C | 1.0°C | 77 | 11.4 | 13.413 h |
| May | 18.4°C7.9°C | 7.9°C | 80 | 11.2 | 14.715 h |
| June | 23.4°C13.7°C | 13.7°C | 88 | 11.2 | 15.415 h |
| July | 25.8°C16.5°C | 16.5°C | 84 | 10.7 | 15.115 h |
| August | 24.7°C15.9°C | 15.9°C | 78 | 9.6 | 14.014 h |
| September | 20.8°C12.2°C | 12.2°C | 73 | 9.1 | 12.613 h |
| October | 13.5°C6.0°C | 6.0°C | 75 | 11.0 | 11.011 h |
| November | 6.3°C-0.4°C | -0.4°C | 68 | 10.2 | 9.710 h |
| December | 0.5°C-6.4°C | -6.4°C | 57 | 9.9 | 9.09 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Richmond Hill in AprilCanada · 20 kmHigh 10.8°C · Low 1.2°C · 77 mm rain
- Vaughan in AprilCanada · 24 kmHigh 10.6°C · Low 1.3°C · 77 mm rain
- Markham in AprilCanada · 26 kmHigh 10.7°C · Low 1.7°C · 92 mm rain
- Thornhill in AprilCanada · 26 kmHigh 10.2°C · Low 1.8°C · 77 mm rain
- Pickering in AprilCanada · 31 kmHigh 9.5°C · Low 1.5°C · 82 mm rain
- Toronto in AprilCanada · 39 kmHigh 9.4°C · Low 1.8°C · 77 mm rain
- Ajax in AprilCanada · 41 kmHigh 10.0°C · Low 2.2°C · 96 mm rain
- Barrie in AprilCanada · 42 kmHigh 10.0°C · Low 0.4°C · 77 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Newmarket) is explained once on the Newmarket year overview and on the Sources, method and limits page.